SILICONE HYDROGEL LENSES WITH WATER-ENRICHED SURFACES Russian patent published in 2019 - IPC G02C7/04 B29D11/00 C08L83/04 

Abstract RU 2691047 C1

FIELD: optics.

SUBSTANCE: invention relates to a hydrated silicone hydrogel contact lens having a layered structural configuration which enables to have a low-water silicone hydrogel core (or bulk material) completely covered with a layer of a water-enriched hydrogel, completely or substantially free of silicon.

EFFECT: hydrated silicone hydrogel contact lens disclosed in the present invention has high oxygen permeability which is required to provide a healthy state of the eye cornea, and a soft, water-enriched smooth surface for comfort when worn.

40 cl, 12 tbl, 9 dwg

Similar patents RU2691047C1

Title Year Author Number
SILICONE HYDROGEL LENS WITH CROSS-LINKED HYDROPHOBIC COATING 2011
  • Tsju Junsin
  • Samjuel Njuton T.
  • Pruitt Dzhon Dallas
  • Kolluru Chandana
  • Medina Arturo N.
  • Vinterton Lin Kuk
  • Vu Datsin
  • Tsjan Sinmin
  • Nelson Dzhared
RU2583370C2
SILICONE HYDROGEL LENSES WITH WATER-ENRICHED SURFACES 2020
  • Qiu Yongxing
  • Pruitt John Dallas
  • Thekveli Sibichen
  • Tucker Robert Carey
  • Nelson Jared
RU2728781C1
SILICONE HYDROGEL LENS WITH CROSS-LINKED HYDROPHILOUS COATING 2011
  • Tsyu Yunsin
  • Samyuel Nyuton T.
  • Pruitt Dzhon Dallas
  • Kolluru Chandana
  • Medina Arturo N.
  • Vinterton Lin Kuk
  • Vu Datsin
  • Tsyan Sinmin
  • Nelson Dzhared
RU2644349C1
SILICONE HYDROPHILOUS LENS WITH CROSS-LINKED HYDROPHILIC COATING 2018
  • Tsyu Yunsin
  • Samyuel Nyuton T.
  • Pruitt Dzhon Dallas
  • Kolluru Chandana
  • Medina Arturo N.
  • Vinterton Lin Kuk
  • Vu Datsin
  • Tsyan Sinmin
  • Nelson Dzhared
RU2675109C1
SILICONE HYDROGEL LENSES WITH WATER-RICH SURFACES 2011
  • Tsju Junsin
  • Pruitt Dzhon Dallas
  • Tekveli Sajbichen
  • Taker Robert Kehri
  • Nelson Dzhared
RU2540655C2
SILICONE HYDROGEL LENSES WITH WATER-ENRICHED SURFACES 2013
  • Tsju Junsin
  • Pruitt Dzhon Dallas
  • Tekveli Sajbichen
  • Taker Robert Kehri
  • Nelson Dzhared
RU2571747C2
SILICONE HYDROGEL LENSES WITH WATER-ENRICHED SURFACES 2021
  • Qiu Yongxing
  • Pruitt John Dallas
  • Thekveli Sibichen
  • Tucker Robert Carey
  • Nelson Jared
RU2775370C1
SILICONE HYDROGEL LENSES WITH WATER-RICH SURFACES 2017
  • Tsyu Yunsin
  • Pruitt Dzhon Dallas
  • Tekveli Sajbichen
  • Taker Robert Keri
  • Nelson Dzhared
RU2645991C1
SILICONE HYDROGEL LENSES WITH WATER-RICH SURFACES 2020
  • Qiu Yongxing
  • Pruitt John Dallas
  • Thekveli Sibichen
  • Tucker Robert Carey
  • Nelson Jared
RU2753181C1
SILICONE HYDROGEL LENSES WITH WATER-ENRICHED SURFACES 2019
  • Qiu Yongxing
  • Pruitt John Dallas
  • Thekveli Sibichen
  • Tucker Robert Carey
  • Nelson Jared
RU2714143C1

RU 2 691 047 C1

Authors

Tsyu Yunsin

Pruitt Dzhon Dallas

Tekveli Sajbichen

Taker Robert Keri

Nelson Dzhared

Dates

2019-06-07Published

2018-02-05Filed